How to get the base url without any parameters in JavaScript

In this Article we will go through how to get the base url without any parameters only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const baseUrl = url => url.indexOf('?') === -1 ? url : url.slice(0, url.indexOf('?'));

#Or

// Note that `includes` isn't supported in IE 11
const baseUrl = url => url.includes('?') ? url.slice(0, url.indexOf('?')) : url;

#Example

baseUrl('https://domain.com/path/sub/path?foo=bar&hello=world');    // 'https://domain.com/path/sub/path'